FNA: Erythranthe rubella vs. Erythranthe barbata

	Erythranthe rubella	Erythranthe barbata
	little redstem monkeyflower, red stem himulus, redstem monkeyflower, redstem or little redstem monkeyflower	bearded monkeyflower
Habit	Annuals, taprooted.	Annuals, taprooted.
Stems	erect, simple, sometimes branched from basal nodes, 3–32 cm, minutely puberulent.	erect, simple or branched from basal nodes, 2–14.5 cm, sparsely glandular-pubescent, internodes elongate, distinct.
Leaves	cauline, basal not persistent; petiole 0 mm; blade palmately 3-veined (in broader ones), linear to elliptic, 5–22(–30) × 1–5 mm, base narrowed, margins entire, sometimes toothed, apex acute to obtuse, surfaces minutely puberulent.	cauline, basal not persistent; petiole 0 mm; blade 1-veined or palmately 3-veined (in broader ones), linear to lanceolate, 5–15 × 0.5–2 mm, base attenuate, margins entire, apex acute to obtuse, surfaces sparsely glandular-pubescent.
Flowers	herkogamous, sometimes plesiogamous, 1–106, from distal or medial to distal nodes.	herkogamous, 1–30, from distal or medial to distal nodes.
Styles	glabrous.	glabrous.
Corollas	yellow and abaxial limb and throat red dotted or pink to purple and throat yellow, bilaterally symmetric, weakly bilabiate; tube-throat cylindric, 4–10 mm, exserted beyond calyx margin; limb expanded 3–5 mm, lobes entire or weakly notched, abaxial limb glabrous.	bicolored (abaxial limb yellow with red spots, adaxial maroon-purple) or yellow, bilaterally symmetric, strongly bilabiate; tube-throat cylindric, (5–)8–15 mm, exserted beyond calyx margin; limb expanded 6–15 mm, lateral lobes 2-fid, palate bearded.
Fruiting pedicels	2–18 mm.	ascending to often spreading horizontally, (5–)9–25 mm.
Fruiting calyces	becoming red-angled or red, campanulate to nearly cylindric, 4–9 mm, margins distinctly toothed or lobed, glabrous or minutely puberulent, ribs thickened, lobes pronounced, erect, margins ciliate.	sometimes red-dotted on ribs, campanulate, 3–6 mm, margins distinctly toothed or lobed, glabrous, sparsely glandular-pubescent, ribs weak, lobes pronounced, erect, margins glabrous.
Capsules	included, 3–8 mm.	included or equal to calyx, 3–5 mm.
Anthers	included, glabrous.	included, glabrous.

	Erythranthe rubella	Erythranthe barbata
Phenology	Flowering Apr–Jun.	Flowering May–Aug.
Habitat	Open slopes and washes.	Open areas in pine forests, edges of meadows and ephemeral streams.
Elevation	300–3000 m. [1000–9800 ft.]	1800–3400 m. [5900–11200 ft.]
Distribution	AZ; CA; CO; NM; NV; TX; UT; WY; Mexico (Baja California, Sonora) [WildflowerSearch map]	CA [WildflowerSearch map]
Discussion		Erythranthe barbata previously has been placed in synonymy with E. montioides but differs from it in having each corolla lobe deeply notched and a consistently bearded palate. In E. montioides, each corolla lobe is entire or shallowly notched, and the palate is glabrous or sparsely bearded. Erythranthe barbata is most abundant in Tulare County but also occurs in immediately adjacent Inyo and Kern counties. (Discussion copyrighted by Flora of North America; reprinted with permission.)
Source	FNA vol. 17, p. 384. Treatment authors: Guy L. Nesom, Naomi S. Fraga.	FNA vol. 17, p. 386. Treatment authors: Guy L. Nesom, Naomi S. Fraga.
Parent taxa	Phrymaceae > Erythranthe	Phrymaceae > Erythranthe
Sibling taxa	E. acutidens, E. alsinoides, E. ampliata, E. androsacea, E. arenaria, E. arenicola, E. arvensis, E. barbata, E. bicolor, E. brachystylis, E. breviflora, E. breweri, E. caespitosa, E. calcicola, E. calciphila, E. cardinalis, E. carsonensis, E. charlestonensis, E. chinatiensis, E. cinnabarina, E. corallina, E. cordata, E. decora, E. dentata, E. diffusa, E. discolor, E. eastwoodiae, E. erubescens, E. exigua, E. filicaulis, E. filicifolia, E. floribunda, E. gemmipara, E. geniculata, E. geyeri, E. glaucescens, E. gracilipes, E. grandis, E. grayi, E. guttata, E. hallii, E. hardhamiae, E. hymenophylla, E. inamoena, E. inconspicua, E. inflatula, E. jungermannioides, E. laciniata, E. latidens, E. lewisii, E. linearifolia, E. marmorata, E. michiganensis, E. microphylla, E. minor, E. montioides, E. moschata, E. nasuta, E. norrisii, E. nudata, E. palmeri, E. pardalis, E. parishii, E. parvula, E. patula, E. percaulis, E. primuloides, E. ptilota, E. pulsiferae, E. purpurea, E. regni, E. rhodopetra, E. scouleri, E. shevockii, E. sierrae, E. suksdorfii, E. taylorii, E. thermalis, E. tilingii, E. trinitiensis, E. unimaculata, E. utahensis, E. verbenacea, E. washingtonensis, E. willisii, E. veronicifolia	E. acutidens, E. alsinoides, E. ampliata, E. androsacea, E. arenaria, E. arenicola, E. arvensis, E. bicolor, E. brachystylis, E. breviflora, E. breweri, E. caespitosa, E. calcicola, E. calciphila, E. cardinalis, E. carsonensis, E. charlestonensis, E. chinatiensis, E. cinnabarina, E. corallina, E. cordata, E. decora, E. dentata, E. diffusa, E. discolor, E. eastwoodiae, E. erubescens, E. exigua, E. filicaulis, E. filicifolia, E. floribunda, E. gemmipara, E. geniculata, E. geyeri, E. glaucescens, E. gracilipes, E. grandis, E. grayi, E. guttata, E. hallii, E. hardhamiae, E. hymenophylla, E. inamoena, E. inconspicua, E. inflatula, E. jungermannioides, E. laciniata, E. latidens, E. lewisii, E. linearifolia, E. marmorata, E. michiganensis, E. microphylla, E. minor, E. montioides, E. moschata, E. nasuta, E. norrisii, E. nudata, E. palmeri, E. pardalis, E. parishii, E. parvula, E. patula, E. percaulis, E. primuloides, E. ptilota, E. pulsiferae, E. purpurea, E. regni, E. rhodopetra, E. rubella, E. scouleri, E. shevockii, E. sierrae, E. suksdorfii, E. taylorii, E. thermalis, E. tilingii, E. trinitiensis, E. unimaculata, E. utahensis, E. verbenacea, E. washingtonensis, E. willisii, E. veronicifolia
Synonyms	Mimulus rubellus, M. gratioloides	Mimulus barbatus, M. deflexus
Name authority	(A. Gray) N. S. Fraga: Phytoneuron 2012-39: 35. (2012)	(Greene) N. S. Fraga: Phytoneuron 2012-39: 35. (2012)
Web links	Local floras: CA Local Web sites: CalFlora, CalPhotos WildflowerSearch iNaturalist (observations) LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: CA Local Web sites: CalFlora, CalPhotos WildflowerSearch iNaturalist (observations) LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Erythranthe barbata

little redstem monkeyflower, red stem himulus, redstem monkeyflower, redstem or little redstem monkeyflower

bearded monkeyflower

Habit

Annuals, taprooted.

Stems

erect, simple, sometimes branched from basal nodes, 3–32 cm, minutely puberulent.

erect, simple or branched from basal nodes, 2–14.5 cm, sparsely glandular-pubescent, internodes elongate, distinct.

Leaves

cauline, basal not persistent;

petiole 0 mm;

blade palmately 3-veined (in broader ones), linear to elliptic, 5–22(–30) × 1–5 mm, base narrowed, margins entire, sometimes toothed, apex acute to obtuse, surfaces minutely puberulent.

cauline, basal not persistent;

petiole 0 mm;

blade 1-veined or palmately 3-veined (in broader ones), linear to lanceolate, 5–15 × 0.5–2 mm, base attenuate, margins entire, apex acute to obtuse, surfaces sparsely glandular-pubescent.

Flowers

herkogamous, sometimes plesiogamous, 1–106, from distal or medial to distal nodes.

herkogamous, 1–30, from distal or medial to distal nodes.

Styles

glabrous.

Corollas

yellow and abaxial limb and throat red dotted or pink to purple and throat yellow, bilaterally symmetric, weakly bilabiate;

tube-throat cylindric, 4–10 mm, exserted beyond calyx margin;

limb expanded 3–5 mm, lobes entire or weakly notched, abaxial limb glabrous.

bicolored (abaxial limb yellow with red spots, adaxial maroon-purple) or yellow, bilaterally symmetric, strongly bilabiate;

tube-throat cylindric, (5–)8–15 mm, exserted beyond calyx margin;

limb expanded 6–15 mm, lateral lobes 2-fid, palate bearded.

Fruiting pedicels

2–18 mm.

ascending to often spreading horizontally, (5–)9–25 mm.

Fruiting calyces

becoming red-angled or red, campanulate to nearly cylindric, 4–9 mm, margins distinctly toothed or lobed, glabrous or minutely puberulent, ribs thickened, lobes pronounced, erect, margins ciliate.

sometimes red-dotted on ribs, campanulate, 3–6 mm, margins distinctly toothed or lobed, glabrous, sparsely glandular-pubescent, ribs weak, lobes pronounced, erect, margins glabrous.

Capsules

included, 3–8 mm.

included or equal to calyx, 3–5 mm.

Anthers

included, glabrous.

Erythranthe barbata

Phenology

Flowering Apr–Jun.

Flowering May–Aug.

Habitat

Open slopes and washes.

Open areas in pine forests, edges of meadows and ephemeral streams.

Elevation

300–3000 m. [1000–9800 ft.]

1800–3400 m. [5900–11200 ft.]

Distribution

AZ; CA; CO; NM; NV; TX; UT; WY; Mexico (Baja California, Sonora)

[WildflowerSearch map]

Discussion

Erythranthe barbata previously has been placed in synonymy with E. montioides but differs from it in having each corolla lobe deeply notched and a consistently bearded palate. In E. montioides, each corolla lobe is entire or shallowly notched, and the palate is glabrous or sparsely bearded. Erythranthe barbata is most abundant in Tulare County but also occurs in immediately adjacent Inyo and Kern counties.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source

FNA vol. 17, p. 384. Treatment authors: Guy L. Nesom, Naomi S. Fraga.

FNA vol. 17, p. 386. Treatment authors: Guy L. Nesom, Naomi S. Fraga.

Parent taxa

Phrymaceae > Erythranthe

Sibling taxa

E. acutidens, E. alsinoides, E. ampliata, E. androsacea, E. arenaria, E. arenicola, E. arvensis, E. barbata, E. bicolor, E. brachystylis, E. breviflora, E. breweri, E. caespitosa, E. calcicola, E. calciphila, E. cardinalis, E. carsonensis, E. charlestonensis, E. chinatiensis, E. cinnabarina, E. corallina, E. cordata, E. decora, E. dentata, E. diffusa, E. discolor, E. eastwoodiae, E. erubescens, E. exigua, E. filicaulis, E. filicifolia, E. floribunda, E. gemmipara, E. geniculata, E. geyeri, E. glaucescens, E. gracilipes, E. grandis, E. grayi, E. guttata, E. hallii, E. hardhamiae, E. hymenophylla, E. inamoena, E. inconspicua, E. inflatula, E. jungermannioides, E. laciniata, E. latidens, E. lewisii, E. linearifolia, E. marmorata, E. michiganensis, E. microphylla, E. minor, E. montioides, E. moschata, E. nasuta, E. norrisii, E. nudata, E. palmeri, E. pardalis, E. parishii, E. parvula, E. patula, E. percaulis, E. primuloides, E. ptilota, E. pulsiferae, E. purpurea, E. regni, E. rhodopetra, E. scouleri, E. shevockii, E. sierrae, E. suksdorfii, E. taylorii, E. thermalis, E. tilingii, E. trinitiensis, E. unimaculata, E. utahensis, E. verbenacea, E. washingtonensis, E. willisii, E. veronicifolia

E. acutidens, E. alsinoides, E. ampliata, E. androsacea, E. arenaria, E. arenicola, E. arvensis, E. bicolor, E. brachystylis, E. breviflora, E. breweri, E. caespitosa, E. calcicola, E. calciphila, E. cardinalis, E. carsonensis, E. charlestonensis, E. chinatiensis, E. cinnabarina, E. corallina, E. cordata, E. decora, E. dentata, E. diffusa, E. discolor, E. eastwoodiae, E. erubescens, E. exigua, E. filicaulis, E. filicifolia, E. floribunda, E. gemmipara, E. geniculata, E. geyeri, E. glaucescens, E. gracilipes, E. grandis, E. grayi, E. guttata, E. hallii, E. hardhamiae, E. hymenophylla, E. inamoena, E. inconspicua, E. inflatula, E. jungermannioides, E. laciniata, E. latidens, E. lewisii, E. linearifolia, E. marmorata, E. michiganensis, E. microphylla, E. minor, E. montioides, E. moschata, E. nasuta, E. norrisii, E. nudata, E. palmeri, E. pardalis, E. parishii, E. parvula, E. patula, E. percaulis, E. primuloides, E. ptilota, E. pulsiferae, E. purpurea, E. regni, E. rhodopetra, E. rubella, E. scouleri, E. shevockii, E. sierrae, E. suksdorfii, E. taylorii, E. thermalis, E. tilingii, E. trinitiensis, E. unimaculata, E. utahensis, E. verbenacea, E. washingtonensis, E. willisii, E. veronicifolia

Synonyms

Mimulus rubellus, M. gratioloides

Mimulus barbatus, M. deflexus

Name authority

(A. Gray) N. S. Fraga: Phytoneuron 2012-39: 35. (2012)

(Greene) N. S. Fraga: Phytoneuron 2012-39: 35. (2012)

Web links

Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).

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